Search results
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MULTIPLE TIME SCALES OF VARIABILITY IN THE KRILL POPULATION AT SOUTH GEORGIA
ecosystem-based management of any krill fishery in the region. Krill acoustic density data from surveys ... management of any krill fishery in the region. Krill acoustic density data from surveys conducted ... population size structure over the same period from predator diet data, were used with a krill population ... structure over the same period from predator diet data, were used with a krill population dynamics model ...
Meeting Document : WG-EMM-08/48 : Author(s): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)
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Some examples of time budget data recorded by a Japanese trawler, Ehiko Maru in 1986/87 season
Author(s): Far Seas Fisheries Laboratory (Japan) Title: Some examples of time budget data ... Far Seas Fisheries Laboratory (Japan) ... Some examples of time budget data recorded by a Japanese trawler, Ehiko Maru in 1986/87 season ...
Meeting Document : WS-KCPUE-89/12 : Author(s): Far Seas Fisheries Laboratory (Japan)
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Summary of holdings of Patagonian toothfish (Dissostichus eleginoides) otoliths and size-at-age estimates from Heard and McDonald Islands (Division 58.5.2)
Abstract: Scientific observers aboard vessels in the Australian fisheries in 58.5.2 have ... collected Dissostichus eleginoides otoliths since the fishery commenced in the 1996/97 season. This program ... has yielded data which has assisted with understanding age structure and growth rates of toothfish ... estimates from fish captured between 1997 and 2003. A growth model based on these size-at age data ...
Meeting Document : WG-FSA-07/45 : Author(s): D.C. Welsford and G.B. Nowara (Australia)
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Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G – a discussion paper
for SSRUs 88.2C–G. We initially provide a characterisation of the fishery and a summary of available tagging ... and length frequency data. Although more than 700 tagged fish have been released in this region, only 2 fish ... on the success of tagging programmes in other CCAMLR fisheries, we develop an approach for improving the spatial ... –H) and a subjective decision regarding how it will be split between the 88.2H and 88.2C–G fisheries. We then explore ...
Meeting Document : WG-SAM-14/28 : Author(s): S.M. Hanchet and S.J. Parker (New Zealand)
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The development of spatially and temporally controlled measures of survival and tag-detection for the CCAMLR tagging program
and management by CCAMLR of a number of toothfish fisheries in Antarctica. The evaluation of the tagging ... tagging data in CCAMLR Subareas 88.1 and 88.2. Initial results show that the indices developed can provide ... tagging performance of different components of the CCAMLR tagging program across all fisheries, and more ... generally the relative performance of spatially and temporally heterogeneous data sets. Author ...
Meeting Document : WG-SAM-12/30 : Author(s): S. Mormede and A. Dunn (New Zealand)
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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of relative mortality and tag-detection rates
by CCAMLR of a number of toothfish fisheries in Antarctica, but the evaluation of tagging performance has ... of recaptured fish. This method was applied to the tagging data in CCAMLR Subareas 88.1 and 88.2. Results show ... to investigate the relative performance of the CCAMLR tagging program across all fisheries, and more generally ... the relative performance of spatially and temporally heterogeneous data sets. In the revision duplicate figures ...
Meeting Document : WG-FSA-12/47 Rev. 1 : Author(s): S. Mormede and A. Dunn (New Zealand)
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Effects of sea-ice extent and krill or salp dominance on the Antarctic food web
and survival of krill larvae. Here we provide data from 1995 and 1996 that support hypothesized relationships ... larvae. Here we provide data from 1995 and 1996 that support hypothesized relationships between krill ... Abstract: Krill (Euphausia superba) provide a direct link between primary producers and higher ... are not a major dietary item for Antarctic vertebrate predators, their blooms can affect adult krill reproduction ...
Meeting Document : WG-EMM-97/73 : Author(s): Hewitt, R., Trivelpiece, S., Fraser, W., Holm-Hansen, O., Siegel, V., Trivelpiece, W., Loeb, V.
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Biomass of Antarctic krill around South Shetland using 2-dB difference method in April 2016
catch amount using fishing survey and acoustic assessment data in order to utilize Krill resources ... catch amount using fishing survey and acoustic assessment data in order to utilize Krill resources ... Abstract: Antarctic Krill plays an important role in Antarctic ecosystems as the medium ... source for the future food resource. Since Krill is mainly schooled within 200m depth, mass catching ...
Meeting Document : WG-EMM-16/60 : Author(s): Delegation of the Republic of Korea
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Synopsis of CEMP and non-CEMP predator parameters from Admiralty Bay and Cape Shirreff, South Shetland Islands, Antarctica: their relationships to krill abundance and ice cover, 1978–2003
performance indices collected at the two sites 2. Table 2. Data on annual variability in krill biomass density ... at the two sites 2. Table 2. Data on annual variability in krill biomass density, annual sea ice cover ... parameters, and their relationships to krill abundance and ice cover indices for the period 1978-2003 ... by K.Reid for similar analyses at South Georgia. The tabular data include: 1. Table 1. A list of the penguin ...
Meeting Document : WG-EMM-03/61 : Author(s): W.Z. Trivelpiece (USA), K. Salwicka (Poland) and S.G. Trivelpiece (USA)
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An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data
of biological data submitted by scientific observers on board vessels in the fishery. Results of a Leslie ... analyses of biological data submitted by scientific observers on board vessels in the fishery. Results ... Paper Title: An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank ... (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data Abstract / Description: In 2006 ... of biological data submitted by scientific observers on board vessels in the fishery. Results of a Leslie ... and catch data from all fishing activity (CCAMLR, 2007b). Vessels in the fishery use both Spanish ... by vessels oper- ating in the fishery and fine-scale biological data submitted by on-board observers between ... of fish- ing grounds and low level of data coverage avail- able for an exploratory fishery of this kind ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Author(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara